The ornamental design for a safety/emergency lighting apparatus, as shown.
FIG. 1 illustrates a perspective view of a safety/emergency lighting apparatus.
FIG. 2 illustrates a bottom perspective view thereof.
FIG. 3 illustrates a top plan view thereof.
FIG. 4 illustrates a side plan view thereof.
FIG. 5 illustrates a side elevation thereof.
FIG. 6 illustrates a top plan view thereof.
FIG. 7 illustrates an opposite side plan view thereof; and,
FIG. 8 illustrates a front plan view thereof.
The broken line showing of openings, recessed areas, and internal structures is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.